<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
<!--    链接-->
    <script src="my.js"></script>
<!--  内嵌的js-->
  <script>
      // 单行注释
     /*多行注释*/
    alert("沙漠骆驼")
  </script>
</head>
<body>
<input type="button" value="唐伯虎" onclick="alert('秋香姐')">
</body>
</html>